Family name เพชรพาณิชย์ (เพชรพาณิชย์ 
) , in the entire world, is a very rare surname. The cognomen เพชรพาณิชย์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| เพชรพาณิชย์ | Thailand |